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  1. Categories >> Software >> Big Data >> Hadoop >> Hadoop General
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Hadoop General Interview Questions
Questions Answers Views Company eMail

What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?

 480

Which directory does hadoop install to?

 518

Why use hadoop?

 472

What are the actions followed by hadoop?

 503

What kind of hardware is best for hadoop?

 463

Where are hadoop’s configuration files located and list them?

 479

How jobtracker assign tasks to the tasktracker?

 464

What are the functionalities of jobtracer?

 458

What does rack awareness mean?

 453

What the information segments utilized by hadoop are?

 447

Clarify what a task tracker is in hadoop?

 474

How ordering in hdfs is finished?

 471

Clarify what is sequence file input format?

 567

How job tracker schedules an assignment?

 456

Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?

 470

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Un-Answered Questions { Hadoop General }

Mention what are the three modes in which hadoop can be run?

459

Are there any special requirements for namenode?

457

Give examples of some companies that are using Hadoop structure?

472

How to create hadoop archive?

454

What does rack awareness algorithm means and why is it utilized as a part of hadoop?

477

What are the functionalities of jobtracer?

458

Why do we need Hadoop?

564

What is a Heartbeat in Hadoop?

602

Mention what is the difference between an rdbms and hadoop?

467

Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?

512

What are the differences between hadoop 1 and hadoop 2?

468

What are the tools used in big data?

469

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

505

Explain Hadoop streaming?

510

What do you understand by unit and ()in scala?

535

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